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Related papers: SQUIPT - Superconducting Quantum Interference Prox…

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In this article we review the basic theoretical properties of a hybrid superconducting interferometer which exploits the phase dependence of the density of states of a metallic nanowire placed in good electric contact with a superconductor…

Mesoscale and Nanoscale Physics · Physics 2016-11-15 F. Giazotto

We report the design and implementation of a high-performance superconducting quantum interference proximity transistor (SQUIPT) based on aluminum-copper (Al-Cu) technology. With the adoption of a thin and short copper nanowire we…

Mesoscale and Nanoscale Physics · Physics 2014-08-13 A. Ronzani , C. Altimiras , F. Giazotto

The design for an inductive superconducting quantum interference proximity transistor with enhanced performance, the L-SQUIPT, is presented and analyzed. The interferometer is based on a double-loop structure, where each ring comprises a…

Mesoscale and Nanoscale Physics · Physics 2022-11-18 F. Paolucci , P. Solinas , F. Giazotto

This letter presents fabrication and characterization of an optimized SQUIPT (superconducting quantum interference proximity transistor). The present device, characterized with reduced tunnel junction area and shortened normal-metal…

Superconductivity · Physics 2013-10-31 Robab Najafi Jabdaraghi , Matthias Meschke , Jukka Pekola

We report the fabrication and characterization of an alternative design for a superconducting quantum interference proximity transistor (SQUIPT) based on a normal metal (N) probe. The absence of direct Josephson coupling between the…

Mesoscale and Nanoscale Physics · Physics 2015-11-10 S. D'Ambrosio , M. Meissner , C. Blanc , A. Ronzani , F. Giazotto

Superconducting interferometers are quantum devices able to transduce a magnetic flux into an electrical output with excellent sensitivity, integrability and power consumption. Yet, their voltage response is intrinsically non-linear, a…

Superconductivity · Physics 2023-05-23 Giorgio De Simoni , Francesco Giazotto

We consider properties of a fully superconducting variant of the superconducting quantum interference proximity transistor magnetic flux sensor. We study the density of states in a finite-size superconducting metal wire in the diffusive…

Superconductivity · Physics 2016-11-09 P. Virtanen , A. Ronzani , F. Giazotto

Here we report the fabrication and characterization of fully superconducting quantum interference proximity transistors (SQUIPTs) based on the implementation of vanadium (V) in the superconducting loop. At low temperature, the devices show…

Mesoscale and Nanoscale Physics · Physics 2017-09-06 Nadia Ligato , Giampiero Marchegiani , Pauli Virtanen , Elia Strambini , Francesco Giazotto

We demonstrate simultaneous measurements of DC transport properties and flux noise of a hybrid superconducting magnetometer based on the proximity effect (superconducting quantum interference proximity transistor, SQUIPT). The noise is…

Mesoscale and Nanoscale Physics · Physics 2017-05-19 R. N. Jabdaraghi , D. S. Golubev , J. P. Pekola , J. T. Peltonen

We characterize a niobium-based superconducting quantum interference proximity transistor (Nb-SQUIPT) built upon a Nb-Cu-Nb SNS weak link. The Nb-SQUIPT and SNS devices are fabricated simultaneously in two separate lithography and…

Superconductivity · Physics 2018-03-14 R. N. Jabdaraghi , J. T. Peltonen , D. S. Golubev , J. P. Pekola

Superconducting quantum interference devices (SQUIDs) are state-of-the-art in ultra-sensitive magnetometry; however, conventional SQUID devices are fundamentally limited by the inherently nonlinear and periodic nature of their transfer…

Superconductivity · Physics 2026-03-02 Angelo Greco , Giorgio De Simoni , Francesco Giazotto

We propose a phase-controlled heat-flux quantum valve based on the proximity effect driven by a superconducting quantum interference proximity transistor (SQUIPT). Its operation relies on the phase-dependent quasiparticle density of states…

Mesoscale and Nanoscale Physics · Physics 2014-09-01 E. Strambini , F. S. Bergeret , F. Giazotto

We theoretically study the quasiparticle current behaviour of a thermally-biased bipolar thermoelectrical superconducting quantum interference proximity transistor, formed by a normal metal wire embedded in a superconducting ring and…

Superconductivity · Physics 2023-10-12 Claudio Guarcello , Roberta Citro , Francesco Giazotto , Alessandro Braggio

We present tunnel spectroscopy experiments on the proximity effect in lateral superconductor-normal metal-superconductor (SNS) Josephson junctions. Our weak link is embedded into a superconducting (S) ring allowing phase biasing of the…

Superconductivity · Physics 2015-05-28 M. Meschke , J. T. Peltonen , J. P. Pekola , F. Giazotto

We have fabricated arrays of High-T$_c$ Superconducting Quantum Interference Devices (SQUIDs) with randomly distributed loop sizes as sensitive antennas for Radio-Frequency (RF) waves. These sub-wavelength size devices known as…

We propose a device based on a topological Josephson junction where the helical edge states of a two-dimensional topological insulator are in close proximity to two superconducting leads. The presence of a magnetic flux through the junction…

Superconductors are known to be excellent thermal insulators at low temperature owing to the presence of the energy gap in their density of states (DOS). In this context, the superconducting \textit{proximity effect} allows to tune the…

Mesoscale and Nanoscale Physics · Physics 2023-04-14 Nadia Ligato , Federico Paolucci , Elia Strambini , Francesco Giazotto

We investigated, at temperature $4.2\,\mathrm{K}$, electric transport, flux noise and resulting spin sensitivity of miniaturized Nb direct current superconducting quantum interference devices (SQUIDs) based on submicron Josephson junctions…

Superconductivity · Physics 2015-05-28 J. Nagel , O. F. Kieler , T. Weimann , R. Wölbing , J. Kohlmann , A. B. Zorin , R. Kleiner , D. Koelle , M. Kemmler

Superconducting quantum interference devices (SQUIDs) that incorporate two superconductor/insulator/superconductor (SIS) Josephson junctions in a closed loop form the core of some of the most sensitive detectors of magnetic and electric…

Mesoscale and Nanoscale Physics · Physics 2021-08-11 Taewan Noh , Andrew Kindseth , Venkat Chandrasekhar

A simple method has been developed for manufacturing a thin film superconducting quantum interferometer (SQI) with ultralow inductance (~10^-13 H). Current-voltage and voltage-field characteristics of the SQI are presented. The basic design…

Superconductivity · Physics 2018-09-07 S. I. Bondarenko , A. V. Krevsun , E. V. Ilichev , U. Hubner , V. P. Koverya , S. I. Link
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